1446131352221 has 2 divisors, whose sum is σ = 1446131352222. Its totient is φ = 1446131352220.

The previous prime is 1446131352203. The next prime is 1446131352257. The reversal of 1446131352221 is 1222531316441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1004026044121 + 442105308100 = 1002011^2 + 664910^2 .

It is a cyclic number.

It is not a de Polignac number, because 1446131352221 - 2⁶ = 1446131352157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1446131352521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723065676110 + 723065676111.

It is an arithmetic number, because the mean of its divisors is an integer number (723065676111).

Almost surely, 2^{1446131352221} is an apocalyptic number.

It is an amenable number.

1446131352221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1446131352221 is an equidigital number, since it uses as much as digits as its factorization.

1446131352221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 35.

Adding to 1446131352221 its reverse (1222531316441), we get a palindrome (2668662668662).

The spelling of 1446131352221 in words is "one trillion, four hundred forty-six billion, one hundred thirty-one million, three hundred fifty-two thousand, two hundred twenty-one".